<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for Bug 341604</title>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<script type="application/javascript">
function doTest() {
  document.getElementById('anchor').href = "file_iframe_sandbox_top_navigation_fail.html" + location.search;
  window.top.opener.postMessage({type: "attempted"}, "*");
  sendMouseEvent({type:'click'}, 'anchor');
}
</script>
<body onload="doTest()">
  I am sandboxed with 'allow-scripts'

  <a target='_top' id='anchor'>
</body>
</html>
